/* ============================================================
   Service Providers browsing page — layout & arrangement
   ============================================================ */

/* ----- Page layout ----- */
.providers-layout {
  display: flex;
  gap: var(--space-2xl);
  max-width: 1300px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-2xl) var(--space-3xl);
}

/* ----- Sidebar ----- */
.providers-sidebar {
  width: 250px;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  align-self: flex-start;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.providers-sidebar-card {
  padding: var(--space-lg);
}

.providers-sidebar-search {
  margin-bottom: var(--space-lg);
}

.providers-sidebar-section {
  margin-bottom: var(--space-xl);
}

.providers-sidebar-title {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.providers-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.providers-sidebar-list a {
  text-decoration: none;
  color: inherit;
}

.providers-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 7px 10px;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.providers-sidebar-item:hover {
  background: var(--tint-navy);
  color: var(--text-primary);
}

.providers-sidebar-item.is-active {
  background: var(--tint-primary);
  color: var(--color-primary);
  font-weight: var(--fw-medium);
}

.providers-sidebar-item .bi {
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.providers-sidebar-count {
  margin-left: auto;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  background: var(--color-bg);
  padding: 1px 7px;
  border-radius: var(--radius-pill);
}

.providers-sidebar-item.is-active .providers-sidebar-count {
  background: var(--tint-primary);
  color: var(--color-primary);
}

/* ----- Main content ----- */
.providers-main {
  flex: 1;
  min-width: 0;
}

.providers-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.providers-count {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.providers-sort {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.providers-sort select {
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  font-size: var(--fs-xs);
  background: var(--color-surface);
  color: var(--text-primary);
  cursor: pointer;
}

/* ----- Provider grid ----- */
.providers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ----- Hero search bar ----- */
.providers-hero-search {
  display: flex;
  gap: var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.providers-hero-search .input,
.providers-hero-search .select {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-on-dark);
}

.providers-hero-search .input::placeholder {
  color: var(--text-on-dark-dim);
}

.providers-hero-search .input-group-icon {
  color: var(--text-on-dark-dim);
}

/* Search group — fills available space */
.providers-search-group {
  flex: 1;
  min-width: 0;
}

/* Search input — padding for clear (left) and submit (right) icons */
.providers-search-input {
  padding-left: 12px !important;
  padding-right: 38px !important;
}

.providers-search-input.has-clear {
  padding-left: 34px !important;
}

/* Clear search button — left side of input */
.providers-search-clear {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-on-dark-dim);
  font-size: 14px;
  text-decoration: none;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.providers-search-clear:hover {
  color: var(--text-on-dark);
  background: rgba(255,255,255,0.15);
}

/* Search submit button — right side of input, clickable */
.providers-search-submit {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-on-dark-dim);
  font-size: 16px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  transition: color var(--transition-fast), background var(--transition-fast);
  padding: 0;
}

.providers-search-submit:hover {
  color: var(--text-on-dark);
  background: rgba(255,255,255,0.1);
}

/* Location select — fixed width, visible text on dark hero */
.providers-location-select {
  max-width: 200px;
  flex-shrink: 0;
  color: var(--text-on-dark) !important;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.6)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

.providers-location-select option {
  color: var(--text-primary);
  background: var(--color-surface);
}

/* ----- Equal-height cards (footers pinned to bottom via flex column) ----- */

/* ----- Fixed avatar circle ----- */
.provider-card-avatar {
  overflow: hidden;
}

.provider-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.provider-card-avatar .bi {
  font-size: 28px;
  color: var(--text-on-dark);
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .providers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .providers-layout {
    flex-direction: column;
    padding: var(--space-lg);
  }

  .providers-sidebar {
    width: 100%;
    position: static;
    max-height: none;
    overflow-y: visible;
  }

  .providers-sidebar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .providers-sidebar-item {
    padding: 5px 10px;
    font-size: var(--fs-xs);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
  }

  .providers-sidebar-item.is-active {
    border-color: var(--color-primary);
  }

  .providers-sidebar-count {
    display: none;
  }

  .providers-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Infinite Scroll — sentinel, skeleton cards, end message
   ============================================================ */

/* Sentinel — invisible trigger element watched by IntersectionObserver */
.scroll-sentinel {
  height: 1px;
  width: 100%;
}

/* End-of-results message */
.scroll-end-message {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  padding: var(--space-xl) 0;
  letter-spacing: 0.05em;
}

/* Skeleton card grid — matches .providers-grid layout */
.scroll-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

/* Skeleton card — matches provider-card-detailed shape */
.provider-skeleton {
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
}

.provider-skeleton-cover {
  height: 120px;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    #f3f1ec 40%,
    var(--color-border) 80%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

.provider-skeleton-body {
  padding: var(--space-lg);
}

/* Skeleton text lines */
.provider-skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    #f3f1ec 40%,
    var(--color-border) 80%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  margin-bottom: var(--space-sm);
}

.provider-skeleton-line-name {
  width: 70%;
  height: 16px;
}

.provider-skeleton-line-sm {
  width: 50%;
  height: 10px;
}

.provider-skeleton-line-md {
  width: 90%;
}

/* Skeleton service tags */
.provider-skeleton-tags {
  display: flex;
  gap: 6px;
  margin-top: var(--space-md);
}

.provider-skeleton-tag {
  width: 70px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    #f3f1ec 40%,
    var(--color-border) 80%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Responsive skeleton grid */
@media (max-width: 1024px) {
  .scroll-skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .scroll-skeleton-grid {
    grid-template-columns: 1fr;
  }
}